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Volumn 342, Issue 1-2, 2007, Pages 168-175

Use of a screening method to determine excipients which optimize the extent and stability of supersaturated drug solutions and application of this system to solid formulation design

Author keywords

Cellulosic polymers; Co solvents; Cyclodextrins; Excipient; PVP; Supersaturation; Surfactants

Indexed keywords

CREMOPHOR; CYCLODEXTRIN; POLYSORBATE 20; POVIDONE; TOCOFERSOLAN;

EID: 34547882770     PISSN: 03785173     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijpharm.2007.05.006     Document Type: Article
Times cited : (157)

References (52)
  • 1
    • 0028948839 scopus 로고
    • A theoretical basis for a biopharmaceutic drug classification: the correlation of in vitro drug product dissolution and in vivo bioavaliability
    • Amidon G.L., Lennemans H., Shah V.P., and Crison J.R. A theoretical basis for a biopharmaceutic drug classification: the correlation of in vitro drug product dissolution and in vivo bioavaliability. Pharm. Res. 12 (1995) 413-420
    • (1995) Pharm. Res. , vol.12 , pp. 413-420
    • Amidon, G.L.1    Lennemans, H.2    Shah, V.P.3    Crison, J.R.4
  • 2
    • 34547859471 scopus 로고    scopus 로고
    • Appel, L.E., Babcock, W.C., Friesen, D.T., Ray, R.J., Shamblin, R.M., Smithey, D.T., 2006. Pharmaceutical dosage forms comprising a low solubility drug and polymer. International Patent Appl: WO2006024944 A2.
  • 3
    • 34547857969 scopus 로고    scopus 로고
    • Brewster, M.E., Vandecruys, R., Peeters, J., Verreck, G., Loftsson, T., 2006. Interactions of 2-hydroxypropyl-β-cyclodextrin and sulfobutylether-β-cyclodextrin with itraconazole: stabilization of supersaturated drug solutions. J. Pharm. Sci. (submitted for publication).
  • 4
    • 2642527907 scopus 로고    scopus 로고
    • The use of polymer-based electrospun nanofibers containing amorphous drug dispersions in the delivery of poorly water-soluble pharmaceuticals
    • Brewster M.E., Verreck G., Chun I., Rosenblatt J., Mensch J., Van Dijck A., Noppe M., Arien T., Bruining M., and Peeters J. The use of polymer-based electrospun nanofibers containing amorphous drug dispersions in the delivery of poorly water-soluble pharmaceuticals. Pharmazie 59 (2004) 387-391
    • (2004) Pharmazie , vol.59 , pp. 387-391
    • Brewster, M.E.1    Verreck, G.2    Chun, I.3    Rosenblatt, J.4    Mensch, J.5    Van Dijck, A.6    Noppe, M.7    Arien, T.8    Bruining, M.9    Peeters, J.10
  • 5
    • 0347656959 scopus 로고    scopus 로고
    • A novel cyclodextrin-containing glass thermoplastic systems (GTS) for formulating poorly water soluble drug candidates: preclinical and clinical results
    • Brewster M., Vandecruys R., Verreck G., Noppe M., and Peeters J. A novel cyclodextrin-containing glass thermoplastic systems (GTS) for formulating poorly water soluble drug candidates: preclinical and clinical results. J. Incl. Phenom. Macro. Chem. 44 (2003) 35-38
    • (2003) J. Incl. Phenom. Macro. Chem. , vol.44 , pp. 35-38
    • Brewster, M.1    Vandecruys, R.2    Verreck, G.3    Noppe, M.4    Peeters, J.5
  • 6
    • 32544433312 scopus 로고    scopus 로고
    • Advances in the use of tocols as drug delivery vehicles
    • Constantinides P.P., Han J., and Davis S.S. Advances in the use of tocols as drug delivery vehicles. Pharm. Res. 23 (2006) 243-255
    • (2006) Pharm. Res. , vol.23 , pp. 243-255
    • Constantinides, P.P.1    Han, J.2    Davis, S.S.3
  • 7
    • 34547905935 scopus 로고    scopus 로고
    • Crew, M.D., Shanker, R.M., Smithey, D.T., Miller, W.K., Friesen, D.T., 2005. Stabilized pharmaceutical solid compositions of low solubility drugs, poloxamers and stabilizing polymers. International Patent Appl: WO 2005065656 A2.
  • 8
    • 10444279209 scopus 로고    scopus 로고
    • Cyclodextrin-based pharmaceutics: past, present, future
    • Davis M.E., and Brewster M.E. Cyclodextrin-based pharmaceutics: past, present, future. Nat. Rev. Drug Discov. 3 (2004) 1023-1035
    • (2004) Nat. Rev. Drug Discov. , vol.3 , pp. 1023-1035
    • Davis, M.E.1    Brewster, M.E.2
  • 9
    • 0025952915 scopus 로고
    • Effect of supersaturation on membrane transport. 1. Hydrocortisone acetate
    • Davis A.F., and Hadgraft J. Effect of supersaturation on membrane transport. 1. Hydrocortisone acetate. Int. J. Pharm. 76 (1991) 1-8
    • (1991) Int. J. Pharm. , vol.76 , pp. 1-8
    • Davis, A.F.1    Hadgraft, J.2
  • 10
    • 0041381263 scopus 로고    scopus 로고
    • The effect of β-cyclodextrins on the permeability of diclofenac from supersaturated solutions
    • Dias M., Raghavan S., Pellett M., and Hadgraft J. The effect of β-cyclodextrins on the permeability of diclofenac from supersaturated solutions. Int. J. Pharm. 263 (2003) 173-181
    • (2003) Int. J. Pharm. , vol.263 , pp. 173-181
    • Dias, M.1    Raghavan, S.2    Pellett, M.3    Hadgraft, J.4
  • 11
    • 0031913402 scopus 로고    scopus 로고
    • Dissolution testing as a prognostic tool for oral drug absorption: immediate release dosage forms
    • Dressman J.B., Amidon G.L., Reppas C., and Shah V.P. Dissolution testing as a prognostic tool for oral drug absorption: immediate release dosage forms. Pharm. Res. 15 (1998) 11-22
    • (1998) Pharm. Res. , vol.15 , pp. 11-22
    • Dressman, J.B.1    Amidon, G.L.2    Reppas, C.3    Shah, V.P.4
  • 12
    • 0036794236 scopus 로고    scopus 로고
    • Selection of suitable drug and excipient candidates to prepare glass solutions by melt extrusion for immediate release oral formulations
    • Forster A., Rades T., and Hempenstall J. Selection of suitable drug and excipient candidates to prepare glass solutions by melt extrusion for immediate release oral formulations. Pharm. Tech. Eur. 14 (2002) 27-37
    • (2002) Pharm. Tech. Eur. , vol.14 , pp. 27-37
    • Forster, A.1    Rades, T.2    Hempenstall, J.3
  • 13
    • 30344456981 scopus 로고    scopus 로고
    • Development of supersaturable self-emulsifying drug delivery system formulations for improving the oral absorption of poorly water soluble drugs
    • Gao P., and Morozowich W. Development of supersaturable self-emulsifying drug delivery system formulations for improving the oral absorption of poorly water soluble drugs. Expert Opin. Drug Deliv. 3 (2006) 97-110
    • (2006) Expert Opin. Drug Deliv. , vol.3 , pp. 97-110
    • Gao, P.1    Morozowich, W.2
  • 14
    • 1842589355 scopus 로고    scopus 로고
    • Enhanced oral bioavailability of a poorly water soluble drug PNU-91325 by supersaturable formulations
    • Gao P., Guyton M.E., Huang T., Bauer J., Stefanski K., and Lu L. Enhanced oral bioavailability of a poorly water soluble drug PNU-91325 by supersaturable formulations. Drug Dev. Ind. Pharm. 30 (2004) 221-229
    • (2004) Drug Dev. Ind. Pharm. , vol.30 , pp. 221-229
    • Gao, P.1    Guyton, M.E.2    Huang, T.3    Bauer, J.4    Stefanski, K.5    Lu, L.6
  • 16
    • 0033037654 scopus 로고    scopus 로고
    • Passive enhancement strategies in topical and transdermal drug delivery
    • Hadgraft J. Passive enhancement strategies in topical and transdermal drug delivery. Int. J. Pharm. 184 (1999) 1-6
    • (1999) Int. J. Pharm. , vol.184 , pp. 1-6
    • Hadgraft, J.1
  • 17
    • 0031125683 scopus 로고    scopus 로고
    • Lipid-vased vehicles for the oral delivery of poorly water soluble drugs
    • Humberstone A., and Charman W. Lipid-vased vehicles for the oral delivery of poorly water soluble drugs. Adv. Drug Deliv. Rev. 25 (1997) 103-128
    • (1997) Adv. Drug Deliv. Rev. , vol.25 , pp. 103-128
    • Humberstone, A.1    Charman, W.2
  • 18
    • 0034607429 scopus 로고    scopus 로고
    • Membrane penetration enhancement of ibuprofen using supersaturation
    • Iervolino M., Raghavan S., and Hadgraft J. Membrane penetration enhancement of ibuprofen using supersaturation. Int. J. Pharm. 198 (2000) 229-238
    • (2000) Int. J. Pharm. , vol.198 , pp. 229-238
    • Iervolino, M.1    Raghavan, S.2    Hadgraft, J.3
  • 19
    • 3242756730 scopus 로고    scopus 로고
    • Solubility enhancement for oral delivery: can chemical structure modification be avoided?
    • Kim C., and Park J. Solubility enhancement for oral delivery: can chemical structure modification be avoided?. Am. J. Drug Deliv. 2 (2004) 113-130
    • (2004) Am. J. Drug Deliv. , vol.2 , pp. 113-130
    • Kim, C.1    Park, J.2
  • 20
    • 0032997934 scopus 로고    scopus 로고
    • Improving the oral bioavailability of albendazole in rabbits by the solid dispersion technique
    • Kohori N., Yamayoshi Y., Xin H., Iseki K., Sato N., Todo S., and Miyazaki K. Improving the oral bioavailability of albendazole in rabbits by the solid dispersion technique. J. Pharm. Pharmacol. 51 (1999) 159-164
    • (1999) J. Pharm. Pharmacol. , vol.51 , pp. 159-164
    • Kohori, N.1    Yamayoshi, Y.2    Xin, H.3    Iseki, K.4    Sato, N.5    Todo, S.6    Miyazaki, K.7
  • 21
    • 4344645978 scopus 로고    scopus 로고
    • Can the pharmaceutical industry reduce attrition rates?
    • Kola I., and Landis J. Can the pharmaceutical industry reduce attrition rates?. Nat. Rev. Drug Discov. 2 (2004) 711-715
    • (2004) Nat. Rev. Drug Discov. , vol.2 , pp. 711-715
    • Kola, I.1    Landis, J.2
  • 22
    • 33748514818 scopus 로고    scopus 로고
    • Characterization of poly(ethylene oxide) as a drug carrier in hot-melt extrusion
    • Li L., Abubaker O., and Shao Z. Characterization of poly(ethylene oxide) as a drug carrier in hot-melt extrusion. Drug Dev. Ind. Pharm. 32 (2006) 991-1002
    • (2006) Drug Dev. Ind. Pharm. , vol.32 , pp. 991-1002
    • Li, L.1    Abubaker, O.2    Shao, Z.3
  • 24
    • 0031024171 scopus 로고    scopus 로고
    • Experimental and computatorial approaches to estimate solubility and permeability in drug discovery and development settings
    • Lipinski C.A., Lombardo F., Dominy B.W., and Feeney P.J. Experimental and computatorial approaches to estimate solubility and permeability in drug discovery and development settings. Adv. Drug Deliv. Rev. 23 (1997) 3-25
    • (1997) Adv. Drug Deliv. Rev. , vol.23 , pp. 3-25
    • Lipinski, C.A.1    Lombardo, F.2    Dominy, B.W.3    Feeney, P.J.4
  • 25
    • 0002510887 scopus 로고    scopus 로고
    • Avoiding investment in doomed drugs
    • Lipinski C.A. Avoiding investment in doomed drugs. Curr. Drug Discov. 1 (2001) 17-19
    • (2001) Curr. Drug Discov. , vol.1 , pp. 17-19
    • Lipinski, C.A.1
  • 27
    • 11044221846 scopus 로고    scopus 로고
    • Role of cyclodextrins in improving oral delivery
    • Loftsson T., Brewster M.E., and Masson M. Role of cyclodextrins in improving oral delivery. Am. J. Drug Deliv. 2 (2004) 261-275
    • (2004) Am. J. Drug Deliv. , vol.2 , pp. 261-275
    • Loftsson, T.1    Brewster, M.E.2    Masson, M.3
  • 28
    • 0029819323 scopus 로고    scopus 로고
    • Pharmaceutical applications of cyclodextrins. I. Drug solubilization and stabilization
    • Loftsson T., and Brewster M.E. Pharmaceutical applications of cyclodextrins. I. Drug solubilization and stabilization. J. Pharm. Sci. 85 (1996) 1017-1025
    • (1996) J. Pharm. Sci. , vol.85 , pp. 1017-1025
    • Loftsson, T.1    Brewster, M.E.2
  • 29
    • 0030603995 scopus 로고    scopus 로고
    • Control of drug crystallization in transdermal matrix systems
    • Ma X., Taw J., and Chiang C. Control of drug crystallization in transdermal matrix systems. Int. J. Pharm. 142 (1996) 115-119
    • (1996) Int. J. Pharm. , vol.142 , pp. 115-119
    • Ma, X.1    Taw, J.2    Chiang, C.3
  • 30
    • 0009354974 scopus 로고
    • Crystal growth in pharmaceutical formulation
    • Macie C.M.G., and Grant D.J.W. Crystal growth in pharmaceutical formulation. Pharm. Int. 1986 (1986) 233-237
    • (1986) Pharm. Int. , vol.1986 , pp. 233-237
    • Macie, C.M.G.1    Grant, D.J.W.2
  • 31
    • 0037312695 scopus 로고    scopus 로고
    • Nanosizing: a formulation approach for poorly-water-soluble compounds
    • Merisko-Liversidge E., Liversidge G., and Cooper E. Nanosizing: a formulation approach for poorly-water-soluble compounds. Eur. J. Pharm. Sci. 18 (2003) 113-120
    • (2003) Eur. J. Pharm. Sci. , vol.18 , pp. 113-120
    • Merisko-Liversidge, E.1    Liversidge, G.2    Cooper, E.3
  • 32
    • 0346982186 scopus 로고    scopus 로고
    • Determination of the substitution of hydroxypropylbetadex using Fourier transform infrared spectrophotometry
    • Michaud M., and Icart S. Determination of the substitution of hydroxypropylbetadex using Fourier transform infrared spectrophotometry. Pharmeuropa 13 (2001) 714-716
    • (2001) Pharmeuropa , vol.13 , pp. 714-716
    • Michaud, M.1    Icart, S.2
  • 33
    • 0034868138 scopus 로고    scopus 로고
    • Supersaturation: enhancement of skin penetration and permeability of a lipophilic drug
    • Moser K., Kriwet K., Froehlich C., Kali Y., and Guy R.H. Supersaturation: enhancement of skin penetration and permeability of a lipophilic drug. Pharm. Res. 18 (2001) 1006-1011
    • (2001) Pharm. Res. , vol.18 , pp. 1006-1011
    • Moser, K.1    Kriwet, K.2    Froehlich, C.3    Kali, Y.4    Guy, R.H.5
  • 34
    • 0035859996 scopus 로고    scopus 로고
    • Stabilization of supersaturated solutions of a lipophilic drug for dermal delivery
    • Moser K., Kriwet K., Kali Y., and Guy R.H. Stabilization of supersaturated solutions of a lipophilic drug for dermal delivery. Int. J. Pharm. 224 (2001) 169-176
    • (2001) Int. J. Pharm. , vol.224 , pp. 169-176
    • Moser, K.1    Kriwet, K.2    Kali, Y.3    Guy, R.H.4
  • 35
    • 0343339969 scopus 로고    scopus 로고
    • Nanosuspensionen - formulierungen für schwerlösliche Arzneistoffe mit geringer Bioverfügbarkeit. 1. Mitteilung: Herstellung und Eigenshaften
    • Müller R.H., Böhm B.H., and Grau M.J. Nanosuspensionen - formulierungen für schwerlösliche Arzneistoffe mit geringer Bioverfügbarkeit. 1. Mitteilung: Herstellung und Eigenshaften. Pharm. Ind. 61 (1999) 74-78
    • (1999) Pharm. Ind. , vol.61 , pp. 74-78
    • Müller, R.H.1    Böhm, B.H.2    Grau, M.J.3
  • 36
    • 0036278959 scopus 로고    scopus 로고
    • Characterization of the interaction of 2-hydroxypropyl-β-cyclodextrin with itraconazole at pH 2, 4 and 7
    • Peeters J., Neeskens P., Tollenaere J., and Van Remoortere P. Characterization of the interaction of 2-hydroxypropyl-β-cyclodextrin with itraconazole at pH 2, 4 and 7. J. Pharm. Sci. 91 (2002) 1414-1422
    • (2002) J. Pharm. Sci. , vol.91 , pp. 1414-1422
    • Peeters, J.1    Neeskens, P.2    Tollenaere, J.3    Van Remoortere, P.4
  • 37
    • 0023947965 scopus 로고
    • Pharmaceutical innovation by seven UK-owned pharmaceutical companies
    • Prentis R.A., Lis Y., and Walker S.R. Pharmaceutical innovation by seven UK-owned pharmaceutical companies. Br. J. Clin. Pharmacol. 25 (1988) 387-396
    • (1988) Br. J. Clin. Pharmacol. , vol.25 , pp. 387-396
    • Prentis, R.A.1    Lis, Y.2    Walker, S.R.3
  • 38
    • 0035895236 scopus 로고    scopus 로고
    • Crystallization of hydrocortisone acetate: influence of polymers
    • Raghavan S.L., Trividic A., Davis A.F., and Hadgraft J. Crystallization of hydrocortisone acetate: influence of polymers. Int. J. Pharm. 212 (2001) 213-221
    • (2001) Int. J. Pharm. , vol.212 , pp. 213-221
    • Raghavan, S.L.1    Trividic, A.2    Davis, A.F.3    Hadgraft, J.4
  • 39
    • 0041525238 scopus 로고    scopus 로고
    • Formation and stabilization of triclosan colloidal suspension using supersaturated systems
    • Raghavan S.L., Schuessel K., Davis A., and Hadgraft J. Formation and stabilization of triclosan colloidal suspension using supersaturated systems. Int. J. Pharm. 261 (2003) 153-158
    • (2003) Int. J. Pharm. , vol.261 , pp. 153-158
    • Raghavan, S.L.1    Schuessel, K.2    Davis, A.3    Hadgraft, J.4
  • 40
    • 0029852699 scopus 로고    scopus 로고
    • Pharmaceutical applications of cyclodextrins. 2. In vivo drug delivery
    • Rajewski R.A., and Stella V.J. Pharmaceutical applications of cyclodextrins. 2. In vivo drug delivery. J. Pharm. Sci. 85 (1996) 1142-1169
    • (1996) J. Pharm. Sci. , vol.85 , pp. 1142-1169
    • Rajewski, R.A.1    Stella, V.J.2
  • 41
    • 0038493711 scopus 로고    scopus 로고
    • Itraconazole formulation studies of the melt-extrusion process with mixture design
    • Rambali B., Verreck G., Baert L., and Massart D. Itraconazole formulation studies of the melt-extrusion process with mixture design. Drug Dev. Ind. Pharm. 29 (2003) 641-652
    • (2003) Drug Dev. Ind. Pharm. , vol.29 , pp. 641-652
    • Rambali, B.1    Verreck, G.2    Baert, L.3    Massart, D.4
  • 43
    • 0344603644 scopus 로고    scopus 로고
    • Significance of controlling crystallization mechanisms and kinetics in pharmaceutical systems
    • Rodriguez-Hornedo N., and Murphy D. Significance of controlling crystallization mechanisms and kinetics in pharmaceutical systems. J. Pharm. Sci. 88 (1999) 651-660
    • (1999) J. Pharm. Sci. , vol.88 , pp. 651-660
    • Rodriguez-Hornedo, N.1    Murphy, D.2
  • 45
    • 1242337285 scopus 로고    scopus 로고
    • Solubilizing excipients in oral and liquid formulations
    • Strickley R.G. Solubilizing excipients in oral and liquid formulations. Pharm. Res. 21 (2004) 201-230
    • (2004) Pharm. Res. , vol.21 , pp. 201-230
    • Strickley, R.G.1
  • 46
    • 0031042310 scopus 로고    scopus 로고
    • Cyclodextrin-enabling excipients: their present and future use in pharmaceuticals
    • Thompson D.O. Cyclodextrin-enabling excipients: their present and future use in pharmaceuticals. Crit. Rev. Therap. Drug Carrier Syst. 14 (1997) 1-104
    • (1997) Crit. Rev. Therap. Drug Carrier Syst. , vol.14 , pp. 1-104
    • Thompson, D.O.1
  • 47
    • 0025907884 scopus 로고
    • Oversaturated solutions of drugs in hydroxypropylcyclodextrins: parenteral preparation of pancratistatin
    • Torres-Labandeira J., Davignon P., and Pitha J. Oversaturated solutions of drugs in hydroxypropylcyclodextrins: parenteral preparation of pancratistatin. J. Pharm. Sci. 80 (1990) 384-386
    • (1990) J. Pharm. Sci. , vol.80 , pp. 384-386
    • Torres-Labandeira, J.1    Davignon, P.2    Pitha, J.3
  • 48
    • 0026505701 scopus 로고
    • Inhibitory effect of 2-hydroxypropyl-β-cyclodextrin on crystal growth of nifedipine during storage: superior dissolution and oral bioavailability compared with polyvinylpyrrolidone K-30
    • Uekama K., Ikegami K., Wang Z., Horiuchi Y., and Hirayama F. Inhibitory effect of 2-hydroxypropyl-β-cyclodextrin on crystal growth of nifedipine during storage: superior dissolution and oral bioavailability compared with polyvinylpyrrolidone K-30. J. Pharm. Pharmacol. 44 (1992) 73-78
    • (1992) J. Pharm. Pharmacol. , vol.44 , pp. 73-78
    • Uekama, K.1    Ikegami, K.2    Wang, Z.3    Horiuchi, Y.4    Hirayama, F.5
  • 49
    • 9644254099 scopus 로고    scopus 로고
    • Solid dispersions of nimodipine and polyethylene glycol 2000: dissolution properties and physico-chemical characterization
    • Urbanetz N., and Lippold B. Solid dispersions of nimodipine and polyethylene glycol 2000: dissolution properties and physico-chemical characterization. Eur. J. Pharm. Biopharm. 59 (2005) 107-118
    • (2005) Eur. J. Pharm. Biopharm. , vol.59 , pp. 107-118
    • Urbanetz, N.1    Lippold, B.2
  • 50
    • 1942434656 scopus 로고    scopus 로고
    • The use of three different solid dispersion formulations: melt extrusion, film-coated beads and a glass thermoplastic system to improve the bioavailability of a novel microsomal triglyceride transfer protein (MTP) inhibitor
    • Verreck G., Vandecruys R., De Conde V., Baert L., Peeters J., and Brewster M.E. The use of three different solid dispersion formulations: melt extrusion, film-coated beads and a glass thermoplastic system to improve the bioavailability of a novel microsomal triglyceride transfer protein (MTP) inhibitor. J. Pharm. Sci. 93 (2004) 1217-1228
    • (2004) J. Pharm. Sci. , vol.93 , pp. 1217-1228
    • Verreck, G.1    Vandecruys, R.2    De Conde, V.3    Baert, L.4    Peeters, J.5    Brewster, M.E.6
  • 51
    • 12244283119 scopus 로고    scopus 로고
    • Characterization of solid dispersions of itraconazole and hydroxypropylmethylcellulose prepared by melt extrusion. Part 1
    • Verreck G., Six K., Van den Mooter G., Baert L., Peeters J., and Brewster M.E. Characterization of solid dispersions of itraconazole and hydroxypropylmethylcellulose prepared by melt extrusion. Part 1. Int. J. Pharm. 251 (2003) 165-174
    • (2003) Int. J. Pharm. , vol.251 , pp. 165-174
    • Verreck, G.1    Six, K.2    Van den Mooter, G.3    Baert, L.4    Peeters, J.5    Brewster, M.E.6
  • 52
    • 0032399926 scopus 로고    scopus 로고
    • A new understanding of the relationship between solubility and particle size
    • Wu W., and Nancollas G.H. A new understanding of the relationship between solubility and particle size. J. Solution Chem. 27 (1998) 521-531
    • (1998) J. Solution Chem. , vol.27 , pp. 521-531
    • Wu, W.1    Nancollas, G.H.2


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